Set against the colorful background of the Klondike gold rush, the square-jawed, straight-shooting Mountie and his "wonder dog" were responsible for policing a sweeping, snowy Yukon Territory. The presence of gold in this area led less-than-honest men to the kind of temptation that frequently stepped over the line of law and order…and that's when Preston and King would swing into action, swiftly bringing these miscreants to justice.